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GFB 2008+ Mitsubishi Lancer Ralliart (4B11T) WGA Wastegate Actuator (Tune Required)

Unlock the full potential of your Mitsubishi Lancer Ralliart with the GFB WGA Wastegate Actuator. This high-performance actuator is designed to provide faster spool up, less boost taper at high RPM, and more stable boost control.

Featuring a unique diaphragm design, the WGA achieves the largest effective area with the smallest possible outside diameter, resulting in better boost control. The longest stroke of 18mm makes it suitable for controlling the largest of internal wastegates, or the extra travel can be used to further increase boost pressure without having to change springs.

  • Industry-first diaphragm design for maximum performance and minimal size
  • Longest stroke of 18mm for better boost control and increased boost pressure
  • Unique pivoting rod guide for low friction and superior wear resistance
  • No unnecessary bulk for a compact design
  • 3 stainless steel springs for adjustable base spring pressure
  • Turnbuckle adjustment for fine-tuning boost pressure without swapping springs
Make Model Year Type
Mitsubishi Lancer 2009 Ralliart
Mitsubishi Lancer 2010 Ralliart
Mitsubishi Lancer 2011 Ralliart
Mitsubishi Lancer 2012 Ralliart
Mitsubishi Lancer 2013 Ralliart
Mitsubishi Lancer 2014 Ralliart
Mitsubishi Lancer 2015 Ralliart
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